package lei.e_java_math_number;

/**
 * @className: Java_Number
 * @author: xl
 * @date: 2025/3/1 13:34
 * @Version: 1.0
 * @description:
 */

public class Java_Number {

    public static void main(String[] args) {
         String a="10";
         Integer aa=Integer.parseInt(a);

         Integer b=10;
         int bb=b.intValue();
        System.out.println(bb);

        int c=100;
        String cc=String.valueOf(c);

        Double dd=Double.valueOf(c);

        Double ee=Double.parseDouble(a);





    }
}

